Obverse
Eagle with open wings, holding a snake in its beak, standing on a cactus growing out of a rock in the middle of a lake. Denomination divided. Country name along rim. At bottom semi-circle a laurel and olive branches tied together
Lettering: ESTADOS UNIDOS MEXICANOS UN PESO
Reverse
Liberty riding a horse, with the sun raising on the horizon. Date in exergue
Lettering: ESSAI CH. PILLET 1909
